Method for treatment, prevention and control of potato stem nematodes by using dry hot air

The invention discloses a method for treatment, prevention and control of potato stem nematodes by using dry hot air. The method comprises the steps: putting seed potatoes in a hot air drying environment with a flow rate of 0.3 m/s and a temperature of 35-40 DEG C, performing preheating for 1-1.5 h,...

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Main Authors WANG YUANZHENG, REN PING, CHEN ZHIJIE, ZHANG SHULIAN, ZHANG FENG, LI YINGMEI, RUAN XIANGWEN
Format Patent
LanguageChinese
English
Published 30.11.2018
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED
FERTILISING
FISHING
FORESTRY
HORTICULTURE
HUMAN NECESSITIES
HUNTING
PLANTING
SOWING
TRAPPING
WATERING
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Summary:The invention discloses a method for treatment, prevention and control of potato stem nematodes by using dry hot air. The method comprises the steps: putting seed potatoes in a hot air drying environment with a flow rate of 0.3 m/s and a temperature of 35-40 DEG C, performing preheating for 1-1.5 h, putting the preheated seed potatoes quickly in a hot air drying environment with a flow rate of 0.3m/s and a temperature of 55-58 DEG C, and performing heat treatment for 40-60 minutes continuously. When the method is compared with the prior art, by adopting the dry hot air to treat the seed potatoes, eggs of the nematodes in potato stems can be killed, the mortality of larva and adults can reach 98% or above, and the germination rate of the seed potatoes is not affected; and the transmissionpath of the potato stem nematodes is cut effectively, and the method is especially important to disease-free potato growing areas, and has simple operation, safety and effectiveness, no pesticide residues and no pollution to t
Bibliography:Application Number: CN201810867585